Display screen with a graphical user interface for an HVAC control device



The sole FIGURE is a front view of a display screen with a graphical user interface for an HVAC control device.

The dashed broken lines showing the display screen, portions of the graphical user interface, the outline of the HVAC control device, the control portion of the HVAC control device, and the surrounding environment of the HVAC control device are for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface for an HVAC control device, as shown and described. 